Here is a concise summary of the provided text:
**Experiment:** Freezing Slime
**Conductors:** Two brothers, self-proclaimed "far-sighted scientists"
**Procedure:**
1. Created slime with glue, food coloring, and activators.
2. Divided slime into two bowls: one at room temperature, one in the freezer for 24 hours.
**Observations:**
* Frozen slime transformed into a hard, white, stone-like substance with a rough external layer.
* It became unresponsive to touch and couldn't be scratched with a screwdriver.
* When thawed, it became rubbery again but was predicted to turn into a mush once fully melted due to water absorption.
**Conclusion:**
The experiment showcased the unusual effects of freezing on slime, with the brothers encouraging viewers to try it at home and promising to update on the slime's further transformations.
Here are the key facts extracted from the text, without opinions, with each fact numbered and in short sentences:
1. The experiment involves putting slime in a freezer to observe its effects.
2. The slime was mixed with food coloring, specifically blue.
3. The experimenters added activators to the slime, including bicarbonate.
4. The slime was prepared and then placed in a freezer for testing.
5. The slime was frozen for 24 hours before being observed again.
6. After freezing, the slime's color changed from blue to a more whitish appearance due to ice formation.
7. A rough external layer formed on the frozen slime.
8. The frozen slime became very hard, similar to a stone.
9. The slime was initially unable to be scratched with a screwdriver-like object.
10. When thawed, the frozen slime returned to a soft, rubbery state, but with a more porous interior.
11. The experimenters speculate that once fully melted, the slime will become a mush due to water absorption.
12. The necessary materials to replicate the experiment at home include slime, a bowl, and a freezer.